16378052 has 6 divisors (see below), whose sum is σ = 28661598. Its totient is φ = 8189024.

The previous prime is 16378051. The next prime is 16378081. The reversal of 16378052 is 25087361.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12559936 + 3818116 = 3544^2 + 1954^2 .

It is not an unprimeable number, because it can be changed into a prime (16378051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2047253 + ... + 2047260.

It is an arithmetic number, because the mean of its divisors is an integer number (4776933).

Almost surely, 2^16378052 is an apocalyptic number.

It is an amenable number.

16378052 is a deficient number, since it is larger than the sum of its proper divisors (12283546).

16378052 is a wasteful number, since it uses less digits than its factorization.

16378052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4094517 (or 4094515 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 16378052 is about 4046.9806028693. The cubic root of 16378052 is about 253.9534293687.

The spelling of 16378052 in words is "sixteen million, three hundred seventy-eight thousand, fifty-two".